51205180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6353}}^1$

素因数の和:6406

約数の個数: 48

約数和(自身を含む): 119556864

約数和(自身を除く): 68351684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 6353, 8060, 12706, 25412, 31765, 63530, 82589, 127060, 165178, 196943, 330356, 393886, 412945, 787772, 825890, 984715, 1651780, 1969430, 2560259, 3938860, 5120518, 10241036, 12801295, 25602590, 51205180]

約数ペア:

[(1, 51205180), (2, 25602590), (4, 12801295), (5, 10241036), (10, 5120518), (13, 3938860), (20, 2560259), (26, 1969430), (31, 1651780), (52, 984715), (62, 825890), (65, 787772), (124, 412945), (130, 393886), (155, 330356), (260, 196943), (310, 165178), (403, 127060), (620, 82589), (806, 63530), (1612, 31765), (2015, 25412), (4030, 12706), (6353, 8060)]